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| Open AccessCryo-EM structure of native human thyroglobulin
The iodinated thyroglobulin functions as iodine storage and carrier protein and a precursor for thyroid hormone (TH) biogenesis. Here, the authors report the structure of native, fully glycosylated human thyroglobulin, revealing the location of the hTg hormonogenic and glycosylation sites.
- Ricardo Adaixo
- , Eva M. Steiner
- & Nicholas M. I. Taylor
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Article
| Open AccessA-FABP mediates adaptive thermogenesis by promoting intracellular activation of thyroid hormones in brown adipocytes
The protein A-FABP is secreted from adipocytes and known to regulate glucose and lipid metabolism. Here the authors show A-FABP enhances thermogenesis by promoting the conversion of thyroxine T4 to the bioactive form, T3, in brown adipocytes, and by enhancing fatty acid uptake of brown fat.
- Lingling Shu
- , Ruby L. C. Hoo
- & Aimin Xu
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Article
| Open AccessWhole-genome sequence-based analysis of thyroid function
Levels of circulating thyrotropin and free thyroxine reflect thyroid function, however, their genetic underpinnings remain poorly understood. Taylor et al. take advantage of whole-genome sequence data from cohorts within the UK10K project to identify novel variants associated with these traits.
- Peter N. Taylor
- , Eleonora Porcu
- & Pingbo Zhang
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Physiological sodium concentrations enhance the iodide affinity of the Na+/I− symporter
Thyroid hormone synthesis requires import of iodide ions through the Na+/I− symporter, however its affinity for iodide is surprisingly low. Using a statistical thermodynamics approach, Nicola et al. show that sodium ion binding enhances iodide affinity, revealing a mechanism for iodide transport.
- Juan P. Nicola
- , Nancy Carrasco
- & L. Mario Amzel
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Article
| Open AccessThyroid hormone determines the start of the sensitive period of imprinting and primes later learning
Filial imprinting allows precocial birds to form social attachment to other animals or objects soon after hatching. Yamaguchi and colleagues investigate the mechanisms responsible for this, and find that thyroid hormones circulating in the plasma regulate the sensitive period during which imprinting occurs.
- Shinji Yamaguchi
- , Naoya Aoki
- & Koichi J. Homma